TAILIEUCHUNG - Schneider Electric-Altivar 71 Variable speed drives for synchronous motors and asynchronous motors

These power ratings and currents are given for an ambient temperature of 50°C (122°F) at the factory-set switching frequency, used in continuous operation (factory-set switching frequency of 4 kHz for ATV71H 037M3 to D15M3X and kHz for ATV71H D18M3X to D45M3X). Above this factory setting, the drive will reduce the switching frequency automatically in the event of excessive temperature rise. For continuous operation above the factory setting, derating must be applied to the nominal drive current in accordance with the curves on page 14. (2)Current on a line supply with the “Max. prospective line Isc” indicated and for a drive without any external options | Altivar 71 Variable speed drives for synchronous motors and asynchronous motors Installation Manual 03 2011 HP . 45 kW 60 HP 200 - 240V 1 HP . 75 kW 100 HP 380 - 480V 2 HP . kW 10 HP 500 - 600V 2 HP . 90 kW 100 hP 500 - 690V Schneider Electric 1755843 Contents Important information 4 Before you begin 5 Steps for setting up the drive 6 Preliminary recommendations 7 Drive ratings 9 Dimensions and weights 12 Mounting and temperature conditions 13 Mounting in a wall-mounted or floor-standing enclosure 16 Installing the graphic display terminal 18 Position of the charging LED 19 Installing option cards 20 Installing the EMC plates 22 Wiring recommendations 23 Power terminals 25 Control terminal s 27 Option terminals 29 Connection diagrams 35 Use on IT system and corner grounded system 44 Electromagnetic compatibility wiring 46 1755843 03 2011

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